CN100412434C - Remotely releasable coupler and hose retrieval mechanism for airbrake system - Google Patents
Remotely releasable coupler and hose retrieval mechanism for airbrake system Download PDFInfo
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- CN100412434C CN100412434C CNB2005800061042A CN200580006104A CN100412434C CN 100412434 C CN100412434 C CN 100412434C CN B2005800061042 A CNB2005800061042 A CN B2005800061042A CN 200580006104 A CN200580006104 A CN 200580006104A CN 100412434 C CN100412434 C CN 100412434C
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- Prior art keywords
- coupler
- drawing head
- actuator
- pressure fluid
- power
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L35/00—Special arrangements used in connection with end fittings of hoses, e.g. safety or protecting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
- B60T17/046—Devices for pipe guiding and fixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
- B60T17/043—Brake line couplings, air hoses and stopcocks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/002—Couplings of the quick-acting type which can be controlled at a distance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S285/00—Pipe joints or couplings
- Y10S285/92—Remotely controlled
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
A remotely releasable brake hose coupler for pressure fluid operated brake systems, such as on a motor truck and semi-trailer unit, and a retrieval mechanism for retrieving flexible hoses connected to the coupler. Pressure air from the truck tractor brake system is conducted through a valve to an actuator for effecting movement of a coupler member to release engagement with a corresponding coupler fitting mounted on a trailer. One or more air brake hoses connected to respective remotely releasable couplers are connected to tensioning mechanisms and to a movable boom mounted on the truck tractor for extending the hoses during a remote release operation and then retracting the hoses and couplers to a stored position when the remotely releasable couplers are disconnected from the trailer fittings.
Description
Technical field
The present invention relates to a kind of power-driven truck drawing head that is used for transtainer.
Background technique
Power-driven truck drawing head and trailer unit comprise releasable air brake hose coupler, and it is used for break that the vehicle-mounted air braking system on the drawing head and pressurized air source are connected to trailer.Traditional air damping coupler or connection device are characterised in that relative connection device element, these elements comprise the thin slice and the flange of cooperation, the thin slice of these cooperations and flange make: be connected by a coupler being placed near another coupler and making coupler relatively rotate with respect to each other and form, thereby make coupler or connection device be engaged with each other.The manually-operable of these couplers with shake hands that some is similar, and such coupler is commonly called " device of shaking hands (gladhand) ".
Traditional power-driven truck air braking system also comprises two ducts for pressurized air of separating and coupler in groups accordingly usually; one is used for primary brake system and circuit or so-called service braking system and circuit, and another is used for so-called emergency brake circuit.Therefore, have two flexible air flexible pipes or the conduit link to each other with the truck drawing head, these two pipes must be arranged on trailer on, the coupler that separates links to each other, and when drawing head separates with trailer and the trailer disengagement.For the long-distance transport truck operations of routine, this routine operation is not special the trouble.Yet in truck field or so-called " terminus " operation, trailer is by the truck drawing head reciprocally motion between loader wharf and memory location continuously of terminus type.Normally, in the time period of twenty four hours, may reach the trailer move operation No. 150 to 200 times, each operation all requires the drawing head driver to leave operator cabin, before trailer moves, air brake hose is connected to trailer, then, in case trailer correctly stops, the driver leaves cockpit once more and air hose and trailer is separated.Significantly, the lock out operation of flexible pipe has increased the time cycle of moving and stopping of trailer.
Therefore, have a kind of like this demand: provide a kind of braking to be coupled device, it can discharge the coupler or the device of shaking hands in remote control ground, leaves operator cabin and need not the drawing head driver.Also have such demand: provide a kind of and be used to control and regain and brake the flexible braking pipeline that coupler links to each other or the mechanism of flexible pipe, thereby prevent that coupler from dropping to the ground when separating with trailer or with the circumvolution of trailer underframe together.Its purpose is: overcome the conventional air Brake hose that is used for truck drawing head-trailer unit and be coupled the shortcoming of device and provide a kind of by the present invention developed, improved coupler releasing mechanism and hose retrieval mechanism.
Summary of the invention
The invention provides a kind of mechanism that is coupled of the remote-controlled release that is used for pressure fluid conduit, especially air brake hose and coupler, it for example is used on power-driven truck drawing head and the trailer unit.
The present invention also provides a kind of air brake hose of flexibility to support and (retrieval) system of withdrawal, and it is used for the power-driven truck drawing head, and uses with the flexible pipe coupler of remote-controlled release especially.
According to one aspect of the present invention, the Brake hose coupler that provides a kind of what is called to shake hands the device type, it comprises movable flange or retainer, is used for the ccontaining relative thin slice that is coupled parts, and this flange can move to a position and make that relative coupler is disconnected from each other.The coupler flange component preferably slightly is flute profile, be suitable for the thin slice or the pawl of ccontaining relative flexible pipe coupler, but when activating, not only discharge, and force a flexible pipe coupler to move with respect to another flexible pipe coupler from the flexible pipe coupler that cooperates.Movable flange preferably is connected with the pressure fluid actuator by the connection of elbow knot parts or off-centre (over center) type, usually be in the position that engages with relative flexible pipe coupler, but move so that the form of engaging operation is eccentric corresponding to the excitation of pressure fluid actuator, thereby the coupler that will be installed on the drawing head discharges and " kicking open " from coupler relative or that be installed on the trailer.
According to another aspect of the present invention, a kind of flexible pipe coupler that is used for the remote-controlled release of drawing head-trailer brake system is provided, this equipment can activate from bridge remote control ground and operate with movable lever davit, and this suspension rod supports one or more flexible conduit or flexible pipes that are connected with the Brake hose coupler of corresponding remote-controlled release.The pressure fluid actuator so is fastened on the movable lever davit: when throwing off the Brake hose coupler by remote control, suspension rod actuator operated and suspension rod is moved to a position and air brake hose is moved to the memory location, thus prevent in the operating process of drawing head flexible pipe tangle or drop on the ground or flexible pipe and the uncontrolled swing of coupler.
The present invention also comprises and is used for that above-mentioned coupler and flexible pipe are regained or the control system of control mechanism, comprising: suitable control unit, and to avoid described mechanism member suddenly, move uncontrollably.In addition, control system is feasible can be from Brake hose coupler and the withdrawal and the supporting mechanism of the remote-controlled release of truck drawing head bridge operation.In addition, retraction mechanism can adopt the pressure fluid that comes from motor vehicle braking system and come from remote-controlled trailer separating mechanism.
By reading the detailed description with accompanying drawing, those skilled in the art can understand above-mentioned advantage of the present invention and excellent feature and other important aspect further.
Description of drawings
Fig. 1 is the side view of terminus truck drawing head, and it comprises the Brake hose coupler and the Brake hose retraction mechanism of remote-controlled release of the present invention;
Fig. 2 is the stereogram according to the Brake hose coupler of remote-controlled release of the present invention, and it illustrates this coupler partly from cooperating coupler to discharge;
Fig. 3 is the sectional view of Brake hose coupler shown in Figure 2, has wherein removed the coupler housing of half for illustrative purposes;
Fig. 4 is a schematic block diagram, shows the control loop of coupler of the present invention and hose retrieval mechanism;
The view of Fig. 5 shows braking coupler of the present invention, Brake hose retraction mechanism and relevant control loop; And
Fig. 6 is the further detailed view of coupler actuation lever mechanism.
Embodiment
In the following description, in whole specification and accompanying drawing, similarly parts are marked with identical reference number respectively.For clear and for simplicity, accompanying drawing is unnecessary to be pro rata, and some feature can be summarized or schematically form illustrate.
With reference to Fig. 1, show the power-driven truck drawing head 10 of so-called terminus type, it is suitable for, and for example---for example semi-trailer 12---move past relatively short distance with semi-trailer in large-scale freight yard or terminus.Terminus drawing head---for example the terminus drawing head 10---moves nearly 200 trailers in 24 hours the time period of being everlasting, thus the circulation that is coupled with separates between experience trailer and the drawing head for each trailer moves.Traditional semi-trailer---for example semi-trailer 12---comprises air brake hose coupler or the accessory that is installed in usually on the trailer front wall 12a, and it is installed among Fig. 1 haply by in the indicated position of label 14.The air brake hose coupler accessory that for example is installed in 14 places, position also can be installed in above-mentioned trailer front wall---for example Fig. 1 mesospore 12a---Far Left or rightmost.
In Fig. 1 and Fig. 5, Brake hose coupler or the so-called device 28 of shaking hands that two remote-controlled releases are shown link to each other with the pressure fluid conduit with 30, the form of described pressure fluid conduit is flexible hose assembly 32 and 34, described assembly be installed in the major part of cover on 18 by hose retrieval mechanism or system---it is referred to by label 36 in Fig. 1 and 5 generally---support, as among Fig. 5 more clearly shown in.
Referring now to Fig. 2, show Brake hose coupler according to one of them remote-controlled release of the present invention, it comprises coupler 28.Coupler 28 is suitable for being coupled to accessory 38, and this accessory can be arranged on the trailer at 14 places in the position, to be used for that forced air is directed to unshowned trailer brake system.Accessory 38 comprises head 40 and radially outstanding, the thin slice 44 of circular segment slightly, and this head has roughly cylindrical 42.
With further reference to Fig. 2, flexible pipe coupler 28 comprises the slightly element 52 of flute profile, and this element 52 has formed relative flange 53 and 54, also can be referring to Fig. 3.Be coupled element 52 and in normal working position, engaging by compulsion, thereby fasten accessory 38 and 45 and it is engaged by compulsion and allow forced air mobile and flow to above-mentioned trailer brake system between described accessory with thin slice 44.Yet, be coupled element 52 and be connected to microscler removable connecting rod 56---referring to Fig. 2 and 3, this connecting rod makes element 52 slightly move on circular arc ground up---referring to Fig. 2 and 3, thereby, the joint of flange 53 intention disengagings and thin slice 44, flange 54 engages by compulsion with thin slice 44, impels accessory 38 and 45 to be separated from each other with doing one's utmost, thereby coupler 28 can break away from trailer brake system.As mentioned above, thin slice 50 can with the interlock flange engages on accessory 38 or the similar accessory that does not show.Yet, be coupled element 52 and break away to engage and will make accessory 38 and 45 freely to separate with forcing of thin slice 44.
Further with reference to Fig. 2 and 3, as shown in Figure 2, coupler 28 comprises the parts 60 of shaking hands---these parts are preferably formed by casing member 61 and 62 relative, that be the mirror image symmetry basically.The parts 60 of shaking hands comprise grip portion 60a and adapter shield (knuckle shield) 60b that is formed by casing member 61 relative, shelly and 62, and described casing member 61 and 62 can tighten together by traditional fixed block 63, referring to Fig. 3.In Fig. 3, removed element 62 so that the specific features of coupler 28 to be shown.
As further illustrating by by way of example among Fig. 3, the casing member 61 of the parts 60 of shaking hands is shell-like member of a hollow, and suitably is connected with accessory 45 by traditional fixed block 65 at lug boss 45a place.The casing member 61 of shaking hands supports an accessory 68 that can link to each other with the forced air flexible pipe 32a---referring to Fig. 5---of hose 32 with 62 cooperations.Second accessory 70------also is supported between the two by casing member 61 and 62 and is suitable for linking to each other with the forced air flexible pipe 32b---referring to Fig. 5---of hose 32 referring to Fig. 3.Forced air by conduit 70 guiding Fig. 3, that suitably be connected to accessory 68 through couplers 28 and direct into accessory 72, and accessory 72 be coupled accessory 45 places of working and be connected.
The shelly casing member 61 and 62 of hollow also suitably supports the reciprocating piston among Fig. 3,4 and 6 and the pressure fluid actuator 74 of cylinder form, this pressure fluid actuator is installed, is made in its cylindrical kick 77 in Fig. 3 in casing member 61 and 62 pivot movement limitedly.Cylinder actuator 74 suitably is connected to accessory 70 by the flexible pipe in Fig. 3 and 6 78.
With further reference to Fig. 3 and 6, be arranged in the cylinder of actuator 74 by the piston 80 of spring biasing, engages with coil compression springs 75, and comprise from its extension and be connected to the eccentric piston rod 82 that connects, described eccentric connection comprises isolated first connecting rod 84.One end of connecting rod 84 is pivotally connected to connecting rod 56 by pivot pin 85, also can be referring to Fig. 6.Pivot between the connecting rod 56 and 84 connects an end place that is arranged on connecting rod 56, and this end and connecting rod 56 are relative with being coupled that end that element 52 links to each other.The opposite end of connecting rod 84 is connected on the isolated second connecting rod 86 at pivot pin 87 places.Pin 87 is supported on the far-end 82a of piston rod 82.Connecting rod 86 is supported in the parts 60 of shaking hands by the pivot pin 88 of Fig. 3 pivotally at the place, end relative with the end that comprises pivot pin 87.Pivot pin 88 is supported on the suitable bore hole that does not show, be arranged in relative shelly casing member 61 and 62.Connecting rod 56 supports in a similar fashion, thereby moves pivotally around pivot pin 90 by shaking hands parts 60 in roughly the same mode.
Therefore, connecting rod 84,86 and 56 can be in response to the extension of piston rod 82 towards the left side with the far-end 82a of piston rod 82---referring to Fig. 3 and 6---and operate, thereby realization connecting rod 56 roughly up rotates and the position shown in the process, and this position is enough to make coupler 28 and accessory 38 to break away from.Yet, in response to moving right of piston 80 and piston rod 82---referring to Fig. 3, the position that the connections that form by connecting rod 84,86 and 56 will be taked an off-centre, roughly motion in the counterclockwise direction---referring to Fig. 3 and 6, thereby the location is coupled element 52, makes flange 53 engage by compulsion with thin slice 44 and maintains the joint that forces between accessory 38 and 45.Cylinder actuator 74 comprises suitable wind spring 75, and this wind spring 75 can engage and be sleeve relation ground and be arranged on the piston rod 82 and piston is forced to following position with piston 80: wherein above-mentioned connection will move to an eccentric position and cause being coupled the relation that element 52 engages by compulsion with accessory 38, also the feasible coupler 28 that engages with accessory 38 maintains fluid flow.
Therefore, when not being actuator 74 pressurised air, wind spring 75 provides an enough power and will connect---this connection is connected with each other piston rod 82 with connecting rod 56---and compel to following position: when coupler 28 engaged with accessory 38, being coupled element 52 can engage by compulsion with thin slice 44.Yet, can control and piston 80 and piston rod 82 are moved to following position actuator 74: to cylinder actuator 74 pressurised air, coupler 28 can break away from from accessory 38 by remote control by pipeline or flexible pipe 32b, accessory 70 and pipeline 78.When cylinder actuator 74 discharges forced airs, the intensity of spring 75 is enough to retract its working position and engage by compulsion with accessory 38 or similar devices being coupled element 52.This motion also partly has benefited from the installation setting of the cylindrical kick that pivots of actuator 74.
Referring now to Fig. 5, the coupler 30 of remote-controlled release is roughly the same with coupler 28, thereby does not need further explanation.In Fig. 5, illustrate and be coupled element 52 and be in normal working position, it can be worked and the thin slice 44 of ccontaining for example accessory 38, though do not have shown in Figure 5.Hose 34 comprises that the Brake hose 34a and the coupler that link to each other with coupler 30 discharge actuating flexible pipe 34b, and its mode is identical with coupler 28 ways of connecting with flexible pipe 32a and 32b.
With further reference to Fig. 5, coupler 28 and 30 and their hose 32 and 34 support by retraction mechanism 36, this retraction mechanism 36 comprises microscler suspension rod 94, this suspension rod 94 is installed on the cover 18 pivotally at suitable clevis 96 places.The far-end 94a of suspension rod 94 supports the cable reel assembly 98 by the spring biasing, and described cable reel assembly comprises recoverable cable 100, and this cable suitably is fastened on hose 32 and 34 at 102 places.Reel assemblies 98 comprise have conventional construction, unshowned, by the cable reel of spring biasing, thereby make hose 32 and 34 balances and hose 32 and 34 is biased to shown in the position.Hose 32 comprises the support ring 106 that is connected with tension coil springs 108 with 34 other support apparatus, and this tension coil springs 108 is connected with carriage 109 on being supported on operator cabin breast board 16a, this operator cabin breast board forms the operator cabin 16 of part, also can be referring to Fig. 1.When hose 32 links to each other with trailer with 34 and drawing head 10 when moving with respect to trailer, the reel assemblies 98 and the spring 108 of spring biasing make hose 32 and 34 move, but, no matter the position of suspension rod 94 how, reel assemblies 98 and spring 108 also will limit and partly regain flexible pipe to flexible pipe.
With further reference to Fig. 5, and mobile between the position of basic withdrawal shown in Figure 5 and an extended position, this pressure fluid actuator comprises slightly traditional two-way function piston and cylinder by pressure fluid actuator 106 for suspension rod 94.Actuator 106 is pivotally connected to suspension rod 94 at connection device 108 places of horseshoe-shaped, and the opposite end of actuator 106 is connected to the suitable horseshoe carriage 110 that is installed on the cover 18.Forced air is fed to actuator 106 by control apparatus, and this control apparatus comprises the valve 112 by driver control, this valve have the actuator 113 of palm type or button-type and be preferably mounted in control panel or instrument panel 26 on.The guide bracket 114 that suspension rod 94 is suitable for the slightly flute profile by as shown in Figure 5 partly is supported on its retracted position, and guide bracket 114 also is installed on the cover 18 as shown in the figure.
With further reference to Figure 4 and 5, in Fig. 4, schematically show the coupler 28 that is used for remote-controlled release and 30 and the control system of hose retrieval mechanism 36.The forced air that comes from the vehicle-mounted pneumatic or pressurized air system of drawing head 10 is fed to control system shown in Figure 4 from two sources.The ducts for pressurized air 118 that comes from trailer or so-called the 5th wheel tripping-gear (not shown) extends to gas holder 122 by safety check 120, and this gas holder 122 can be installed in by in cover 18 spaces that limited, as shown in Figure 5.Gas holder 122 is connected to control valve 112 and is connected to the control valve 126 that the work pressure fluid activates by pipeline 128 by pipeline 124, referring to Figure 4 and 5.When valve 126 activated, forced air was fed to the coupler 28 of corresponding remote-controlled release and 30 actuator 74.When the work forced air when valve 126 is discharged, valve 126 moves to a position and forced air is discharged from actuator 74, shown in the schematic block diagram of Fig. 4.
When the driver of drawing head is observed coupler 28 and 30 separately the time, the actuator 113 of valve 112 is released and valve 112 is got back to position shown in Figure 4 " x ", forced air is fed to the opposite end of actuator 106 by pipeline 131 simultaneously, cause actuator suspension rod 94 to be moved back into the position of regaining fully, simultaneously, reel 98 and spring 108 continue to maintain the tension force on hose 32 and 34. Coupler 28 and 30 and hose 32 and 34 be recovered to position shown in Figure 5 basically safely.In addition, cylinder actuator 106 is by the suitable speed control valve among Fig. 4 or throttle valve 139 and 140 and controllably move along two direction of operating with the speed of expectation, and described throttle valve 139 and 140 is connected respectively to valve 112 and suitable exhaust silencer 141 as shown in figure.In addition, adjustable speed control valve 134 allows actuators 106 to be subjected to enough excitations and before discharging coupler 28 and 30 suspension rod 94 to be moved on the position of slightly stretching out at actuator 74.
Therefore, greatly reduced the cycle time that semi-trailer is moved with drawing head 10, and by described and shown in the coupler 28 and 30 and relevant retraction mechanism 36 has reduced and manually discharge from trailer and brake the danger relevant with coupler of forced air flexible pipe of remote-controlled control.The coupler 28 of remote-controlled control and 30 and the member of retraction mechanism 36 and associated control system can---comprise valve, flexible pipe and related accessory---by conventional engineering material and control member and make.
Though provided a preferred embodiment of the present invention in this article and to the description of its operation, those skilled in the art are understood that and can carry out variously substituting, improving and can not depart from the category and the spirit of appended claim.
Claims (33)
1. power-driven truck drawing head that is used for transtainer, it has by the braking system of pressure fluid operation, links to each other with source of pressurised fluid and guide the flexible pressurized fluid lines of pressure fluid between described drawing head and trailer; And
The coupler of remote-controlled release, it is used for described pipeline is coupled to the accessory that links to each other with described trailer.
2. power-driven truck drawing head as claimed in claim 1, wherein:
Described coupler comprises and can engage with the part of described accessory and make element that described coupler is connected with described accessory maintenance and be positioned at actuator on the described coupler, this actuator links to each other with described element and can operate and described element is moved to a position, thereby allows described coupler to throw off from described accessory.
3. power-driven truck drawing head as claimed in claim 2, wherein:
Described actuator comprises pressure fluid cylinder actuator, and this pressure fluid cylinder actuator response makes described element move to a position in being fed to pressure fluid wherein, thereby described coupler is discharged from described accessory.
4. power-driven truck drawing head as claimed in claim 2 comprises:
A connection, this connection is connected with each other described actuator and described element, force on the position that engages thereby described element is remained on described accessory, and move described element, thereby make described element throw off from described accessory in response to the actuating of described actuator.
5. power-driven truck drawing head as claimed in claim 4, wherein:
Described connection comprises first connecting rod and offset connecting rod, and this first connecting rod links to each other with described element and is mounted to motion pivotally on described coupler, and described offset connecting rod makes described first connecting rod and described actuator interconnect.
6. power-driven truck drawing head as claimed in claim 4, wherein:
Described actuator is mounted on described coupler pivot movement limitedly, thereby adapts with the described motion that connects.
7. power-driven truck drawing head as claimed in claim 4, wherein:
Described coupler comprises the device of shaking hands, and is provided with described actuator in this device of shaking hands and is formed by relative casing member, and comprise the pipeline that is used for guiding forced air between described coupler and described accessory.
8. power-driven truck drawing head as claimed in claim 2 comprises:
The pressure fluid control loop, it is operably connected to described actuator, and this pressure fluid control loop comprises and can be used for pressure fluid is regulated by the control valve of drawing head driver operation, thereby activates described actuator and discharge described coupler.
9. power-driven truck drawing head as claimed in claim 8, wherein:
Described can being arranged in the operator cabin of described drawing head by the control valve of drawing head driver operation.
10. power-driven truck drawing head as claimed in claim 1 comprises:
Retraction mechanism, this mechanism is connected to described flexible pipe, thereby makes described coupler regain from described accessory.
11. power-driven truck drawing head as claimed in claim 10, wherein:
Described retraction mechanism comprises suspension rod and pressure fluid actuator, this suspension rod is mounted on described drawing head and moves, described pressure fluid actuator is connected between the predetermined point and described suspension rod of described drawing head, thereby makes described suspension rod stretch out with respect to trailer and regain.
12. power-driven truck drawing head as claimed in claim 10 comprises:
At least one and the tension equipment that described flexible pipe links to each other are used for the described flexible pipe of tensioning and described flexible pipe are displaced to the position of regaining from described trailer.
13. power-driven truck drawing head as claimed in claim 10, wherein:
Described drawing head comprises two flexible pipes and the coupler of the remote-controlled release that links to each other respectively with described flexible pipe, and two described flexible pipes support by described retraction mechanism.
14. power-driven truck drawing head as claimed in claim 11 comprises:
Be used to operate the control system of described retraction mechanism and coupler, this control system comprises control valve, this control valve can be operated and be activated by the operator of described drawing head, thereby supplied with pressurised fluid and activate the actuator of described coupler, thereby make this coupler discharge and be recovered to the memory location from described accessory.
15. power-driven truck drawing head as claimed in claim 14, wherein:
Described control system comprises pipeline, described pipeline and described control valve and the described actuator that is used for described retraction mechanism link to each other, and described control system can be operated and described retraction mechanism is stretched out towards described trailer, and described coupler is thrown off from described accessory, and described subsequently retraction mechanism moves to the retracted position of described coupler.
16. power-driven truck drawing head as claimed in claim 15 comprises:
The pressure fluid flow control apparatus is used to control the actuation speed of the described actuator that is used for described retraction mechanism, and the actuation speed that is used for the described actuator of described coupler.
17. a power-driven truck drawing head that is used for transtainer, it has by the braking system of pressure fluid operation, links to each other with source of pressurised fluid and guide the flexible pressurized fluid lines of pressure fluid between described drawing head and trailer;
The coupler of remote-controlled release is used for described pipeline is coupled to the accessory that links to each other with described trailer, and described coupler comprises: the element that can engage with the part of described accessory is used to make described coupler and accessory to keep being connected; The pressure fluid actuator that links to each other with described element, this actuator can be operated and described element is moved to a position and allows described coupler to throw off from described accessory; And make described actuator connect with described element is interconnective, be used for remaining on described element on the position that engages by compulsion with described accessory and move described element in response to the operation of described actuator, thereby make described element throw off from described accessory.
18. power-driven truck drawing head as claimed in claim 17 comprises:
The pressure fluid control loop, it is operably connected to described actuator, and this pressure fluid control loop comprises and can be used for pressure fluid is regulated by the control valve of drawing head driver operation, thereby operates described actuator and discharge described coupler.
19. power-driven truck drawing head as claimed in claim 17, wherein:
Described coupler comprises the device of shaking hands, and is provided with described actuator in this device of shaking hands, and comprises the pipeline that is used for guiding forced air between described coupler and described accessory.
20. power-driven truck drawing head as claimed in claim 17, wherein:
Described actuator is mounted on described coupler pivot movement limitedly, thereby adapts with the described motion that connects.
21. power-driven truck drawing head as claimed in claim 20, wherein:
Described connection comprises first connecting rod and offset connecting rod, and this first connecting rod links to each other with described element and is mounted to motion pivotally on described coupler, and described offset connecting rod makes described first connecting rod and described actuator interconnect.
22. a power-driven truck drawing head that is used for transtainer, it has by the braking system of pressure fluid operation, links to each other with source of pressurised fluid and guide at least one flexible pressurized fluid lines of pressure fluid between described drawing head and trailer;
Coupler, it links to each other with described at least one flexible pipe and described at least one flexible pipe is coupled to the accessory that links to each other with described trailer, described coupler comprises the actuator that is operably connected to control apparatus, is used for remote control ground and controls described coupler and it is thrown off from described accessory;
Retraction mechanism, it links to each other with described at least one flexible pipe and described coupler is regained from accessory; And
Control system is used for the actuating of described coupler and retraction mechanism is controlled, thereby makes described coupler regain from described accessory disengagement and from described accessory.
23. power-driven truck drawing head as claimed in claim 22, wherein:
Described retraction mechanism comprises suspension rod and pressure fluid actuator, this suspension rod is mounted on described drawing head and moves, described pressure fluid actuator is connected between the predetermined point and described suspension rod of described drawing head, thereby makes described suspension rod stretch out with respect to trailer and regain.
24. power-driven truck drawing head as claimed in claim 23 comprises:
With at least one tension equipment that described at least one flexible pipe links to each other, be used for described at least one flexible pipe of tensioning and also described at least one flexible pipe be displaced to the position of regaining from described trailer.
25. power-driven truck drawing head as claimed in claim 22, wherein:
Described control system comprises control valve, this control valve can be operated and be activated by the operator of described drawing head, thereby supplied with pressurised fluid and operate described retraction mechanism, thereby make described at least one flexible pipe and described coupler move to the memory location.
26. power-driven truck drawing head as claimed in claim 25, wherein:
Described coupler can discharge by the pressure fluid remote control, and described control system comprises the pressure fluid flow control apparatus, and this control gear can be operated, thereby with respect to the operation of described retraction mechanism the release rate of described coupler is controlled.
27. a power-driven truck drawing head that is used for transtainer, it has: by the braking system of pressure fluid operation; Link to each other with source of pressurised fluid and at least one flexible pressurized fluid lines of guiding pressure fluid between described drawing head and trailer; Coupler, it links to each other with described at least one flexible pipe and described at least one flexible pipe is coupled to the accessory that links to each other with described trailer; And the retraction mechanism that activates by pressure fluid, this mechanism links to each other with described at least one flexible pipe and described coupler is regained from described accessory.
28. power-driven truck drawing head as claimed in claim 27, wherein:
Described retraction mechanism comprises suspension rod and pressure fluid actuator, this suspension rod is mounted on described drawing head and moves, described pressure fluid actuator is connected between the predetermined point and described suspension rod of described drawing head, thereby makes described suspension rod stretch out with respect to trailer and regain.
29. power-driven truck drawing head as claimed in claim 28 comprises:
With at least one tension equipment that described at least one flexible pipe links to each other, be used for described at least one flexible pipe of tensioning, thereby described at least one flexible pipe is displaced to the position of regaining from trailer.
30. power-driven truck drawing head as claimed in claim 28 comprises:
Be used to operate the control system of described retraction mechanism, this control system comprises control valve, this control valve can be operated and be activated by the operator of described drawing head, thereby supplied with pressurised fluid and operate described pressure fluid actuator, thereby make described at least one flexible pipe and coupler be recovered to the memory location.
31. power-driven truck drawing head as claimed in claim 30, wherein:
Described control system comprises the pipeline that links to each other with described control valve and described actuator, and described control system can be operated and described suspension rod is stretched out towards described trailer, and described subsequently suspension rod moves to the retracted position away from described trailer.
32. power-driven truck drawing head as claimed in claim 31 comprises:
The pressure fluid flow control apparatus is used to control the actuation speed of described actuator.
33. power-driven truck drawing head as claimed in claim 32, wherein:
Described coupler can be discharged by the pressure fluid remote control, and described control system comprises the pressure fluid flow control apparatus, and this device can be operated and with respect to the actuating of described suspension rod the release rate of described coupler be controlled.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/788,177 US7401801B2 (en) | 2004-02-26 | 2004-02-26 | Remotely releasable coupler and hose retrieval mechanism for airbrake system |
| US10/788,177 | 2004-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1922431A CN1922431A (en) | 2007-02-28 |
| CN100412434C true CN100412434C (en) | 2008-08-20 |
Family
ID=34886947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800061042A Expired - Fee Related CN100412434C (en) | 2004-02-26 | 2005-02-18 | Remotely releasable coupler and hose retrieval mechanism for airbrake system |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US7401801B2 (en) |
| EP (1) | EP1718893A4 (en) |
| KR (1) | KR20060129407A (en) |
| CN (1) | CN100412434C (en) |
| AU (1) | AU2005216129B2 (en) |
| BR (1) | BRPI0507572A (en) |
| CA (1) | CA2555212C (en) |
| MX (1) | MXPA06009745A (en) |
| WO (1) | WO2005081901A2 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2450310A (en) * | 2007-03-14 | 2008-12-24 | Forster & Hales Ltd | Grip member for pneumatic brake line coupling |
| US8282135B1 (en) * | 2009-12-17 | 2012-10-09 | Baucom Jr Donald L | Hydraulic hose coupler |
| DE102010038766A1 (en) | 2010-08-02 | 2012-02-02 | Deere & Company | towing vehicle |
| CN105501207A (en) * | 2015-12-23 | 2016-04-20 | 中车大连机车车辆有限公司 | Hitching device of electro pneumatic brake hose connector at non-traction end of locomotive |
| US9869416B2 (en) | 2016-01-26 | 2018-01-16 | Tectran Mfg. Inc. | Swivel coupling and hose assemblies and kits utilizing the same |
| US20170211735A1 (en) * | 2016-01-26 | 2017-07-27 | Tectran Mfg. Inc. | Grip and fitting assembly |
| US9759359B2 (en) | 2016-01-26 | 2017-09-12 | Tectran Mfg. Inc. | Grip and fitting assemblies and kits utilizing the same |
| FR3050159B1 (en) * | 2016-04-18 | 2021-11-26 | Ste Agriest | TRAILER BRAKE CONTROL DEVICE |
| BR112020017038A2 (en) | 2018-02-21 | 2020-12-15 | Outrider Technologies, Inc. | SYSTEMS TO AUTOMATICALLY CONNECT AT LEAST ONE SERVICE LINE ON A TRUCK TO A TRAILER, TO OPERATE AN AUTONOMOUS TRUCK, TO OPERATE A TRAILER, TO LOCATE AN AIR HOSE CONNECTOR CONNECTOR, TO ATTACH A LINE OF CONNECTOR FOR A TIRE LINE RELATIVE ANGLE OF A TRAILER, TO DETERMINE A RELATIVE LOCATION OF A TOUCH AND TO INTERCONNECT AN AIR LINE. |
| US11707955B2 (en) | 2018-02-21 | 2023-07-25 | Outrider Technologies, Inc. | Systems and methods for automated operation and handling of autonomous trucks and trailers hauled thereby |
| US11066000B2 (en) * | 2018-08-13 | 2021-07-20 | United Parcel Service Of America, Inc. | Systems, methods, and apparatuses for engaging and transporting objects |
| US11858491B2 (en) | 2018-10-30 | 2024-01-02 | Outrider Technologies, Inc. | System and method for controlling braking functions in an autonomous vehicle |
| US11865883B2 (en) | 2019-04-29 | 2024-01-09 | Phillips Connect Technologies, LLC | System and method for securing an asset |
| US11560188B2 (en) * | 2019-07-12 | 2023-01-24 | Isee, Inc. | Automatic tractor trailer coupling |
| KR102414794B1 (en) | 2021-01-14 | 2022-06-30 | 이태현 | Operation line connection structure between tractor and trailer |
| US11834014B2 (en) | 2021-05-20 | 2023-12-05 | Phillips Connect Technologies, LLC | Smart gladhand with wireless actuation and reporting |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2894763A (en) * | 1955-09-27 | 1959-07-14 | Klaus Jurgen Karnath | Apparatus for disconnecting trailer service and mechanical couplings |
| US3650545A (en) * | 1970-03-09 | 1972-03-21 | William E Freed | Hose support and guide |
| US3879066A (en) * | 1973-12-20 | 1975-04-22 | Richard R Kozinski | Air brake hose coupling member construction |
| US5410894A (en) * | 1993-12-27 | 1995-05-02 | Norco Industries, Inc. | Gladhand security lock apparatus |
| US5677667A (en) * | 1995-02-23 | 1997-10-14 | Vehicle Enhancement Systems, Inc. | Data communications apparatus for tractor/trailer using pneumatic coupler |
| US5842724A (en) * | 1996-12-23 | 1998-12-01 | T. C. Johnson Company | Air brake hose coupling member having an extended locking lug |
| US6120064A (en) * | 1999-02-04 | 2000-09-19 | Mcnamara; Howard L. | Air hose coupler with extended grip |
Family Cites Families (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2362324A (en) * | 1942-11-12 | 1944-11-07 | Olof E E Stromberg | Brake for trailers and the like |
| USRE23925E (en) | 1947-09-08 | 1955-01-18 | Coupling | |
| US2772795A (en) * | 1954-10-08 | 1956-12-04 | Side O Matic Unloader Corp | Self-loading vehicle hoist |
| US2816780A (en) * | 1955-03-14 | 1957-12-17 | Chance Vought Aircraft Inc | Conduit remote control quick-detachable sealing connector with deflatable gasket |
| US2948450A (en) * | 1956-09-24 | 1960-08-09 | Berg Mfg And Sales Company | Flexible hose support |
| US3208769A (en) * | 1963-01-21 | 1965-09-28 | Vito M Onori | Trailer hose coupling support |
| US3200975A (en) * | 1964-03-31 | 1965-08-17 | Harley F Chase | Refuse container and transporting vehicle |
| US3386754A (en) | 1965-10-24 | 1968-06-04 | Ford Motor Co | Hose coupling connect and disconnect mechanism |
| US3420546A (en) * | 1967-03-31 | 1969-01-07 | Ardmaer Trucking Co Inc | Tractor-trailer hose interconnection |
| GB1272752A (en) * | 1968-06-24 | 1972-05-03 | Winget Ltd | Vehicle coupling |
| US3628811A (en) * | 1969-10-22 | 1971-12-21 | Magnatronic Controls Inc | Automatic coupling device |
| US3779586A (en) | 1972-08-10 | 1973-12-18 | D Rossiter | Hose coupling connect and disconnect mechanism |
| US3888513A (en) * | 1974-04-29 | 1975-06-10 | Young Daybrook Inc | Tractor-trailer service line coupling |
| US3954194A (en) * | 1974-10-15 | 1976-05-04 | Caterpillar Tractor Co. | Material grasping apparatus |
| US4029217A (en) * | 1975-01-15 | 1977-06-14 | Charles Richard Morse | Pipe-handling crampon |
| US4269266A (en) * | 1979-08-23 | 1981-05-26 | United States Steel Corporation | Recuperator tube construction |
| US4269226A (en) | 1979-12-17 | 1981-05-26 | Aeroquip Corporation | Universal breakaway coupling |
| US4392513A (en) | 1981-02-09 | 1983-07-12 | Parrish Reuel C | Quick disconnect safety coupling |
| US4634151A (en) * | 1985-11-12 | 1987-01-06 | Holt Joseph C | Glad hand extension |
| GB8711276D0 (en) * | 1987-05-13 | 1987-06-17 | Salvesen Food Services Ltd Chr | Connections between tractors & semi-trailers |
| US5176396A (en) * | 1991-04-03 | 1993-01-05 | Amsted Industries Incorporated | Fifth wheel unlocking device with fluid powered redundancy |
| US5399001A (en) * | 1992-04-01 | 1995-03-21 | Flournoy; Lee C. | Vehicle all-weather braking aid |
| US5472223A (en) * | 1993-11-30 | 1995-12-05 | Amsted Industries Incorporated | Air operated fifth wheel |
| US5388864A (en) * | 1994-02-22 | 1995-02-14 | Kozinski; Richard R. | Air brake hose coupling member |
| US5918640A (en) * | 1996-12-26 | 1999-07-06 | Dana Corporation | Twin tube air brake hose |
| US5816621A (en) | 1997-07-03 | 1998-10-06 | Frost; Terry J. | Quick release mechanism for hydraulic and gas carrying lines |
| US6557948B2 (en) * | 1997-12-15 | 2003-05-06 | John Greaves | Braking apparatus for a vehicle |
| DE19840007B4 (en) * | 1998-09-02 | 2009-03-19 | Rockinger Spezialfabrik für Anhängerkupplungen GmbH & Co | tow |
| US6102443A (en) * | 1998-10-06 | 2000-08-15 | Lang, Jr.; John L. | Fluid line latching assembly |
| US6253890B1 (en) * | 1999-06-17 | 2001-07-03 | Marc Hunter | Air brakes for trucks |
| US6651940B2 (en) * | 2001-08-08 | 2003-11-25 | Gene R. Hill, Sr. | Tractor-trailer support apparatus |
| US7191862B2 (en) * | 2001-11-09 | 2007-03-20 | Regents Of The University Of California | Apparatus for stopping a vehicle |
| US6946953B2 (en) * | 2002-05-30 | 2005-09-20 | Vehicle Enhancement Systems, Inc. | Apparatus and method for enhanced data communications and control between a vehicle and a remote data communications terminal |
| US6902180B2 (en) * | 2003-02-24 | 2005-06-07 | Volvo Trucks North America, Inc. | Trailer line routing |
| ES2264089T3 (en) * | 2003-06-03 | 2006-12-16 | Castell Safety International Limited | APPARATUS AND METHOD TO PREVENT A VEHICLE FROM BEING AWAY FROM A LOAD SPRING. |
| US20050062344A1 (en) * | 2003-09-24 | 2005-03-24 | Holt John P. | Trailer locking system |
-
2004
- 2004-02-26 US US10/788,177 patent/US7401801B2/en not_active Expired - Fee Related
-
2005
- 2005-02-18 CN CNB2005800061042A patent/CN100412434C/en not_active Expired - Fee Related
- 2005-02-18 AU AU2005216129A patent/AU2005216129B2/en not_active Ceased
- 2005-02-18 EP EP05713855A patent/EP1718893A4/en not_active Withdrawn
- 2005-02-18 CA CA002555212A patent/CA2555212C/en not_active Expired - Fee Related
- 2005-02-18 MX MXPA06009745A patent/MXPA06009745A/en active IP Right Grant
- 2005-02-18 KR KR1020067017106A patent/KR20060129407A/en not_active Application Discontinuation
- 2005-02-18 WO PCT/US2005/005394 patent/WO2005081901A2/en active Application Filing
- 2005-02-18 BR BRPI0507572-6A patent/BRPI0507572A/en not_active IP Right Cessation
-
2008
- 2008-02-15 US US12/032,418 patent/US7669875B2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2894763A (en) * | 1955-09-27 | 1959-07-14 | Klaus Jurgen Karnath | Apparatus for disconnecting trailer service and mechanical couplings |
| US3650545A (en) * | 1970-03-09 | 1972-03-21 | William E Freed | Hose support and guide |
| US3879066A (en) * | 1973-12-20 | 1975-04-22 | Richard R Kozinski | Air brake hose coupling member construction |
| US5410894A (en) * | 1993-12-27 | 1995-05-02 | Norco Industries, Inc. | Gladhand security lock apparatus |
| US5677667A (en) * | 1995-02-23 | 1997-10-14 | Vehicle Enhancement Systems, Inc. | Data communications apparatus for tractor/trailer using pneumatic coupler |
| US5842724A (en) * | 1996-12-23 | 1998-12-01 | T. C. Johnson Company | Air brake hose coupling member having an extended locking lug |
| US6120064A (en) * | 1999-02-04 | 2000-09-19 | Mcnamara; Howard L. | Air hose coupler with extended grip |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060129407A (en) | 2006-12-15 |
| US20080136138A1 (en) | 2008-06-12 |
| US20050189761A1 (en) | 2005-09-01 |
| CA2555212A1 (en) | 2005-09-09 |
| US7669875B2 (en) | 2010-03-02 |
| US7401801B2 (en) | 2008-07-22 |
| AU2005216129B2 (en) | 2008-09-11 |
| BRPI0507572A (en) | 2007-07-03 |
| EP1718893A2 (en) | 2006-11-08 |
| WO2005081901A3 (en) | 2006-01-26 |
| CN1922431A (en) | 2007-02-28 |
| WO2005081901A2 (en) | 2005-09-09 |
| MXPA06009745A (en) | 2007-01-26 |
| CA2555212C (en) | 2009-04-14 |
| EP1718893A4 (en) | 2009-05-06 |
| AU2005216129A1 (en) | 2005-09-09 |
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